﻿/*
 * Copyright © 2010-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using NUnit.Framework;
using Spring.Core;
using Spring.Util;

namespace Spring.Context.Attributes;

[TestFixture]
public class AssemblyTypeScannerTests
{
    [SetUp]
    public void _TestSetup()
    {
        _scanner = new AssemblyObjectDefinitionScanner();
    }

    [Test]
    public void AssemblyHavingType_T_Adds_Assembly()
    {
        _scanner.AssemblyHavingType<IOrdered>();
        Assert.That(TypeSources.Any(t => t.Contains(typeof(IOrdered))));
    }

    [Test]
    public void IncludeType_T_Adds_Type()
    {
        _scanner.IncludeType<IOrdered>();
        _scanner.IncludeType<IPriorityOrdered>();

        IncludePredicates.Any(p => p(typeof(IOrdered)));
        IncludePredicates.Any(p => p(typeof(IPriorityOrdered)));
    }

    [Test]
    public void WithExcludeFilter_Excludes_Type()
    {
        //var scanner1 = new AssemblyObjectDefinitionScanner();

        _scanner.IncludeType<TheConfigurationClass>();
        _scanner.IncludeType<TheImportedConfigurationClass>();
        _scanner.WithExcludeFilter(t => t.Name.StartsWith("TheImported"));

        IEnumerable<Type> types = _scanner.Scan();

        //Assert.That(types.Any(t => t.Name == "TheConfigurationClass"));
        //Assert.False(types.Any(t => t.Name == "TheImportedConfigurationClass"));

        Assert.That(types, Contains.Item((typeof(TheConfigurationClass))));
        Assert.False(types.Contains(typeof(TheImportedConfigurationClass)));
    }

    [Test]
    public void WithIncludeFilter_Includes_Types()
    {
        _scanner.WithIncludeFilter(t => t.Name.Contains("ConfigurationClass"));

        var types = _scanner.Scan().ToList();

        Assert.That(types, Contains.Item((typeof(TheConfigurationClass))));
        Assert.That(types, Contains.Item((typeof(TheImportedConfigurationClass))));
        Assert.That(types.Count, Is.EqualTo(2));
    }

    private AssemblyObjectDefinitionScanner _scanner;

    private List<Func<Type, bool>> ExcludePredicates
    {
        get
        {
            //get at the collection of excludePredicates from the private field
            //(yuck!-- test smell, but at least its wrapped up in a neat private property getter!)
            return
                (List<Func<Type, bool>>) (ReflectionUtils.GetInstanceFieldValue(_scanner, "TypeExclusionPredicates"));
        }
    }

    private List<Func<Type, bool>> IncludePredicates
    {
        get
        {
            //get at the collection of includePredicates from the private field
            //(yuck!-- test smell, but at least its wrapped up in a neat private property getter!)
            return
                (List<Func<Type, bool>>) (ReflectionUtils.GetInstanceFieldValue(_scanner, "TypeInclusionPredicates"));
        }
    }

    private List<IEnumerable<Type>> TypeSources
    {
        get
        {
            //get at the collection of typeSources from the private field
            //(yuck!-- test smell, but at least its wrapped up in a neat private property getter!)
            return (List<IEnumerable<Type>>) (ReflectionUtils.GetInstanceFieldValue(_scanner, "TypeSources"));
        }
    }
}
